ONE: Mix the Radiant Plum Colorant and argan oil in a small container. If there are clumps, use a mini mixer to remove them.TWO: Put one nail polish mixing ball in each nail polish bottle. Use a dropper to add 2.5 mL of the color and oil mixture into each bottle.
FOUR: Put a brush in each bottle and twist the cap on. That will adhere the brush to the cap.
FIVE: Shake well to mix everything together and enjoy!